devolutionn.
英 ,diːvə'luːʃ(ə)n; ,dev- | 美 'dɛvə'lʊʃən
中文n. 相传，转移；委付；依次；落下
词根词源
devolutiondevolution: see volumedevolution (n.)1540s; see de- + evolution. Used in various legal and figurative senses; in biology, as the opposite of evolution, it is attested from 1882.
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